* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background: #ffefdb;
}

.cup {
    position: relative;
    width: 220px;
    height: 180px;
    border: 8px solid #ffefdb;
    box-shadow: 0 0 0 12px #352a22;
    border-radius: 10px 10px 60px 75px;
    background:url('../images/coffee.png');
    background-repeat: repeat-x;
    background-position: 0 130px;
    animation: filling 4s infinite;
}

@keyframes filling {
    0%, 100% {
        background-position: 0 130px;
    }

    50% {
        background-position: 600px -70px;
    }
}

.cup .cup-handle {
    position: absolute;
    top: 10px;
    right: -74px;
    width: 65px;
    height: 120px;
    border: 12px solid #352a22;
    border-radius: 20px 10px 50px 20px;
}

.cup .steam {
    position: absolute;
    border-radius: 10px 2px;
    width: 8px;
    animation: steaming 2s infinite;
}

@keyframes steaming {
    0%, 100% {
        opacity: 0;
    }

    50% {
        opacity: 1;
        filter: blur(.8px);
        transform: translateY(-10px);
    }
}

.cup .steam:nth-child(1) {
    top: -70px;
    left: 65px;
    height: 30px;
    background: #8e5a3423;
    animation-delay: .2s;
}

.cup .steam:nth-child(2) {
    top: -120px;
    left: 95px;
    height: 50px;
    background: #8e5a3454;
    animation-delay: .6s;
}

.cup .steam:nth-child(3) {
    top: -90px;
    left: 125px;
    height: 40px;
    background: #8e5a3433;
    animation-delay: 1s;
}